| Croton peraeruginosus Croizat, 1940 |
| Croton perobtusus Lundell, 1940 |
| Croton petenensis Lundell, 1940 |
| Croton pittieri Pax, 1895 |
| Croton platyphyllus Lundell, 1942 |
| Croton plukenetii Geiseler, 1807 |
| Croton pottsii (Klotzsch) Müll. Arg., 1866 |
| Croton pottsii var. thermophilus (M.C. Johnst.) M.C. Johnst., 1960 |
| Croton pringlei S. Watson, 1885 |
| Croton prunifolius Vahl, 1807 |
| Croton pseudochina Schltdl. & Cham., 1830 |
| Croton pseudoglabellus Lundell, 1940 |
| Croton pseudoniveus Lundell, 1940 |
| Croton pseudoxalapensis Croizat, 1940 |
| Croton pseudoxalapensis var. cobanensis Croizat, 1940 |
| Croton pulcher Müll. Arg., 1866 |
| Croton pulcherrimus Willd. ex Schltdl., 1831 |
| Croton punctatus Jacq., 1787 |
| Croton purpusii Brandegee, 1915 |
| Croton pyramidalis Donn. Sm., 1903 |